package com.itheima.domain;
public class Card {
    private Integer id;     //主键id
    private String number;  //身份证号
    private Person p;

    @Override
    public String toString() {
        return "Card{" +
                "id=" + id +
                ", number='" + number + '\'' +
                ", p=" + p +
                '}';
    }
}
